Absorption and cold separation process for recovering purified h

Details Absorption and cold separation process for recovering purified h Absorption and cold separation process for recovering purified h

1993-05-06

1995-05-09

Mc Farlane, Anthony

Chemistry of hydrocarbon compounds

Product blend, e.g., composition, etc., or blending process...

With nonhydrocarbon additive

585 6, 585655, 585809, 62 11, 62 23, 208101, 208102, 208103, C07C 720, C07C 523, F25J 306, C10G 900

Patent

active

054141680

ABSTRACT:
Purified hydrogen is recovered from the effluent of a catalytic dehydrogenation zone using an integrated cold absorption process. The effluent, which contains olefinic hydrocarbons and hydrogen is compressed, cooled and contacted with a liquid absorbent. The purified hydrogen can be recycled to the dehydrogenation zone and the olefinic hydrocarbons are recovered as product. The present invention will recover higher purity hydrogen and liquefiable hydrocarbons more economically than prior art processes.

REFERENCES:
patent: 3882014 (1975-05-01), Monday et al.
patent: 4212726 (1980-07-01), Mayes
patent: 4333820 (1982-06-01), Scheijele, Jr.
patent: 4381418 (1983-04-01), Gewartowski et al.

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